close all
filter0 = ones(10, 1);
filter1 = [ 0 1; 0 0; 0 1; 0 0; 0 1; 0 0 ];
filter2 = [ 0 1; 1 0; 0 1; 1 0; 0 1; 1 0 ];
%find_chars(text, filter0, 4);
%find_chars(text, filter1);
find_chars(text, filter2);